Bleaching and dyeing; fluid treatment and chemical modification – Dye or potential dye composition – additive – treatment,... – Mixed dyes – noncomplexed
Patent
1987-06-05
1989-10-24
Higel, Floyd D.
Bleaching and dyeing; fluid treatment and chemical modification
Dye or potential dye composition, additive, treatment,...
Mixed dyes, noncomplexed
8549, 8639, 8641, 534582, 534605, 534606, 534617, 534632, 534638, 534803, 534806, 534808, 534809, 534810, 162162, C09B 2901, C09B 29036, C09B 2920, C09B 2922
Patent
active
048759031
ABSTRACT:
Compounds of the formula ##STR1## wherein each R.sub.1 is independently hydrogen, C.sub.1-4 alkyl or C.sub.1-4 alkyl monosubstituted by hydroxy, halo, cyano or C.sub.1-4 alkoxy,
REFERENCES:
patent: 4363761 (1982-12-01), Pedrazzi
patent: 4367172 (1983-01-01), Pedrazzi
patent: 4521217 (1985-06-01), Beck et al.
patent: 4544737 (1985-10-01), Stohr et al.
patent: 4594410 (1986-06-01), Pedrazzi
patent: 4686285 (1987-08-01), Pedrazzi
Higel Floyd D.
Kassenoff Melvyn M.
Sandoz Ltd.
Sharkin Gerald D.
Vila Richard E.
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